CN105225740A - Multifunction railway traffic digital signal cable - Google Patents
Multifunction railway traffic digital signal cable Download PDFInfo
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- CN105225740A CN105225740A CN201510508912.4A CN201510508912A CN105225740A CN 105225740 A CN105225740 A CN 105225740A CN 201510508912 A CN201510508912 A CN 201510508912A CN 105225740 A CN105225740 A CN 105225740A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/005—Quad constructions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1008—Features relating to screening tape per se
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/12—Arrangements for exhibiting specific transmission characteristics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/207—Metal tubes, e.g. lead sheaths composed of iron or steel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
- Ropes Or Cables (AREA)
Abstract
The present invention discloses a kind of multifunction railway traffic digital signal cable, comprise its wire group and comprise four by the stranded stranded single line of 7 tinned copper wires, in 7 tinned copper wires, 1 tinned copper wire is positioned at center, and all the other 6 tinned copper wires are stranded in the tinned copper wire outer surface being positioned at center; Be tightly connected by the first alloy-layer between first layers of copper and steel layer inner surface, be tightly connected by the second alloy-layer between described second layers of copper and steel layer outer surface; One outer jacket is coated on described second layers of copper outer surface; Second alloy-layer is made up of copper 33%, iron 60%, molybdenum 4%, chromium 2.2%, carbon 0.8%.Multifunction railway traffic digital signal cable of the present invention reduces the transmission attenuation of cable, and formed product, extensibility, good conductivity have also been obtained improvement, and has and improve tensile strength and impact resistance.
Description
Technical field
The present invention relates to fire resistant railway traffic signal cable field, be specifically related to a kind of multifunction railway traffic digital signal cable.
Background technology
Outwardly radiation field during in order to improve the interference performance of the anti-external electromagnetic field of cable and prevent cable from running, improve the reliability that cable runs, the shielding layer structure of transmission cable generally all will arrange the screen of electromagnetism interference.Traditional cable sheath is generally made up of following structure sheaf: be coated on the outer field coating layer of cable conductor; general coating layer is by the coating layer of the plastic sheath extruded or various strip lap; its effect makes cable core structure closely and prevents from scalding in technical process or damage, plays the effect of protection cable core.Coating layer is outward electric field shielding layer, and electric field shielding layer is copper strips, and form electric field shield, its effect prevents external electrical field from having an impact to cable.Be the plastics inside floor extruded outside electric field shielding layer, its effect is that the electric field shielding layer of protection cable is injury-free in magnetic field shielding layer processing process.Plastics inside floor skin is the magnetic field protective layer of cable and the overcoat of metal material; magnetic field shielding and metal protection layer mainly contain steel band; its Main Function is the magnetic field shielding realizing cable, prevents cable to be subject to extraneous magnetic interference, and improves the ability of cable resistance to mechanical external force.Outermost layer is oversheath, is fire-retardant, waterproof, the antiultraviolet of cable, termite-proof etc. function sheath.
The sheath feature of above-mentioned cable is that structure comparison is numerous and diverse, and the outside diameter of cable is large, cable weight, the complex process of manufacture process and manufacturing cost is higher, and construction cost is also higher, and the bending property of cable is relatively poor.Shielding copper strips or aluminium strip limit because of intensity, easily rupture and cause the discontinuous harm of shield, cause system cloud gray model to there is potential safety hazard in cables manufacturing and use procedure.
Summary of the invention
The object of the invention is to provide a kind of multifunction railway traffic digital signal cable, and this multifunction railway traffic digital signal cable, reduces the transmission attenuation of cable, improves adaptation and resistance to mechanical external force, also ensures not ftracture in use procedure.
For achieving the above object, the technical solution used in the present invention is: a kind of multifunction railway traffic digital signal cable, comprise 2 ~ 20 by the wrapped wire group of polyester belt, this wire group comprises four by the stranded stranded single line of 7 tinned copper wires, in described 7 tinned copper wires, 1 tinned copper wire is positioned at center, and all the other 6 tinned copper wires are stranded in the tinned copper wire outer surface being positioned at center;
This stranded single line outer surface has an inner insulating layer, one coating layer is coated on described 2 ~ 20 wire group outer surfaces, one first layers of copper is coated on described inner insulating layer outer surface, and a steel layer is coated on described first layers of copper outer surface, and this steel layer outer surface is coated with the second layers of copper; Be tightly connected by the first alloy-layer between described first layers of copper and steel layer inner surface, be tightly connected by the second alloy-layer between described second layers of copper and steel layer outer surface; One outer jacket is coated on described second layers of copper outer surface;
Described first alloy-layer is made up of copper 74%, iron 19%, molybdenum 4%, chromium 2.2%, carbon 0.8%; Described second alloy-layer is made up of copper 33%, iron 60%, molybdenum 4%, chromium 2.2%, carbon 0.8%.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
Multifunction railway traffic digital signal cable of the present invention, the steel layer being positioned at center is conducive to the magnetic field absorbing elect magnetic field, be positioned at first layers of copper in steel layer outside, second layers of copper is conducive to absorbing electric field, electric field improves shielding properties through 2 absorptions, and the first layers of copper outer surface is coated with steel layer, this steel layer outer surface is coated with the second layers of copper, be tightly connected by the first alloy-layer between first layers of copper and steel layer inner surface, be tightly connected by the second alloy-layer between described second layers of copper and steel layer outer surface, first alloy-layer 9 is by copper 70 ~ 82%, iron 14 ~ 22%, molybdenum 3 ~ 5%, chromium 2 ~ 3% forms, described second alloy-layer 10 is made up of copper 25 ~ 35%, iron 60 ~ 70%, molybdenum 3 ~ 5%, chromium 2 ~ 3%, said structure substantially increases shielding properties and corrosion resistance in conjunction with the alloy-layer of special formulation, reduce the transmission attenuation of cable, improve adaptation and resistance to mechanical external force, also ensure not ftracture in use procedure, secondly, formed product of the present invention, extensibility, good conductivity have also been obtained improvement, and have and improve tensile strength and impact resistance.
Accompanying drawing explanation
Accompanying drawing 1 is multifunction railway traffic digital signal cable structural representation of the present invention;
Accompanying drawing 2 is the partial structurtes schematic diagram of accompanying drawing 1.
In above accompanying drawing: 1, polyester belt; 2, wire group; 3, stranded single line; 4, inner insulating layer; 5, coating layer; 6, the first layers of copper; 7, steel layer; 8, the second layers of copper; 9, the first alloy-layer; 10, the second alloy-layer; 11, outer jacket; 12, tinned copper wire.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: a kind of multifunction railway traffic digital signal cable, comprise 4 by the wrapped wire group 2 of polyester belt 1, this wire group 2 comprises four by the stranded stranded single line 3 of 7 tinned copper wires, in described 7 tinned copper wires, 1 tinned copper wire is positioned at center, and all the other 6 tinned copper wires are stranded in the tinned copper wire outer surface being positioned at center;
This stranded single line 3 outer surface has an inner insulating layer 4, one coating layer 5 is coated on described 4 wire group 2 outer surfaces, one first layers of copper 6 is coated on described inner insulating layer 4 outer surface, and a steel layer 7 is coated on described first layers of copper 6 outer surface, and this steel layer 7 outer surface is coated with the second layers of copper 8; Be tightly connected by the first alloy-layer 9 between described first layers of copper 6 and steel layer 7 inner surface, be tightly connected by the second alloy-layer 10 between described second layers of copper 8 and steel layer 7 outer surface; One outer jacket 11 is coated on described second layers of copper 8 outer surface;
Described first alloy-layer 9 is made up of copper 74%, iron 19%, molybdenum 4%, chromium 2.2%, carbon 0.8%; Described second alloy-layer 10 is made up of copper 33%, iron 60%, molybdenum 4%, chromium 2.2%, carbon 0.8%.
Electric current along resistance minimum be positioned at steel layer 7, first layers of copper 6 of outer surface, second layers of copper 8 flows, first layers of copper 6, second layers of copper 8 is electric field shielding layers, be positioned at the steel layer 7 in intermediate layer, possesses good permeance, it is magnetic field shielding layer, the comprehensive shielded layer of above-mentioned composite construction, possessing good conduction, while magnetic conduction functional characteristics (electromagnetic-field-shielded), significantly improve adaptation and resistance to mechanical external force, also ensure not ftracture in use procedure, solve screen and cause the discontinuous harm and safety hidden danger of shield in cables manufacturing and use procedure Fracture, simultaneously in the outer even coated layers of copper of magnetic field shielding layer, magnetic field shielding layer is had good anti-oxidant, corrosion resistant functional characteristics.
Table 1
Test voltage | 10V/km | 20V/km | 50V/km | 110V/km | 200V/km | 300V/km | 500V/km |
Embodiment shielding factor | 0.172 | 0.15 | 0.10 | 0.08 | 0.05 | 0.052 | 0.062 |
The decay resistance of above-described embodiment screen is as follows:
Artificial atmosphere corrosion test salt mist test >=8,
Sulfur dioxide corrosion test >=8 under usual condensation condition,
The test of metal material test homogeneous corrosion
Acid solution: (pH value: 2 ± 0.2)≤0.03mm/a,
Salting liquid: (pH value: 7 ± 0.2)≤0.03mm/a,
Aqueous slkali: (pH value: 11 ± 0.2)≤0.03mm/a.
Above-mentioned decay resistance relates to the extreme environments such as the sulfur dioxide corrosion in limit acid-alkali salt environment and air in cable application or soil.
The successful exploitation of this technology, while the normal transport properties of guarantee cable product, significantly reduces the material cost of cable, reduces manufacturing cost and the project cost of product, have considerable economic benefit, social benefit and wide market prospects.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1. a multifunction railway traffic digital signal cable, it is characterized in that: comprise 2 ~ 20 by the wrapped wire group (2) of polyester belt (1), this wire group (2) comprises four by the stranded stranded single line (3) of 7 tinned copper wires (12), in described 7 tinned copper wires (12), 1 tinned copper wire (12) is positioned at center, and all the other 6 tinned copper wires (12) are stranded in tinned copper wire (12) outer surface being positioned at center;
This stranded single line (3) outer surface has an inner insulating layer (4), one coating layer (5) is coated on described 2 ~ 20 wire group (2) outer surfaces, one first layers of copper (6) is coated on described inner insulating layer (4) outer surface, one steel layer (7) is coated on described first layers of copper (6) outer surface, and this steel layer (7) outer surface is coated with the second layers of copper (8); Be tightly connected by the first alloy-layer (9) between described first layers of copper (6) and steel layer (7) inner surface, be tightly connected by the second alloy-layer (10) between described second layers of copper (8) and steel layer (7) outer surface; One outer jacket (11) is coated on described second layers of copper (8) outer surface;
Described first alloy-layer (9) is made up of copper 74%, iron 19%, molybdenum 4%, chromium 2.2%, carbon 0.8%; Described second alloy-layer (10) is made up of copper 33%, iron 60%, molybdenum 4%, chromium 2.2%, carbon 0.8%.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310648431.4A CN103680722B (en) | 2013-12-04 | 2013-12-04 | Anti-interference signal cable |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310648431.4A Division CN103680722B (en) | 2013-12-04 | 2013-12-04 | Anti-interference signal cable |
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CN105225740A true CN105225740A (en) | 2016-01-06 |
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ID=50318006
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510508912.4A Pending CN105225740A (en) | 2013-12-04 | 2013-12-04 | Multifunction railway traffic digital signal cable |
CN201510512028.8A Pending CN105244112A (en) | 2013-12-04 | 2013-12-04 | Corrosion resistant anti-interference digital signal cable |
CN201610263918.4A Pending CN105913929A (en) | 2013-12-04 | 2013-12-04 | High flame retardation railway signal cable |
CN201510512030.5A Pending CN105244114A (en) | 2013-12-04 | 2013-12-04 | Rail transit signal cable with integrated shielding function |
CN201510508601.8A Pending CN105225761A (en) | 2013-12-04 | 2013-12-04 | Low deamplification transmission cable |
CN201310648431.4A Active CN103680722B (en) | 2013-12-04 | 2013-12-04 | Anti-interference signal cable |
CN201610263678.8A Pending CN105913921A (en) | 2013-12-04 | 2013-12-04 | High flame retardation track traffic applied data transmission cable |
CN201610263899.5A Pending CN105913922A (en) | 2013-12-04 | 2013-12-04 | Flame retardation cable for track traffic signal systems |
CN201510508727.5A Pending CN105225762A (en) | 2013-12-04 | 2013-12-04 | Electromagnetism interference railway digital signal cable |
Family Applications After (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510512028.8A Pending CN105244112A (en) | 2013-12-04 | 2013-12-04 | Corrosion resistant anti-interference digital signal cable |
CN201610263918.4A Pending CN105913929A (en) | 2013-12-04 | 2013-12-04 | High flame retardation railway signal cable |
CN201510512030.5A Pending CN105244114A (en) | 2013-12-04 | 2013-12-04 | Rail transit signal cable with integrated shielding function |
CN201510508601.8A Pending CN105225761A (en) | 2013-12-04 | 2013-12-04 | Low deamplification transmission cable |
CN201310648431.4A Active CN103680722B (en) | 2013-12-04 | 2013-12-04 | Anti-interference signal cable |
CN201610263678.8A Pending CN105913921A (en) | 2013-12-04 | 2013-12-04 | High flame retardation track traffic applied data transmission cable |
CN201610263899.5A Pending CN105913922A (en) | 2013-12-04 | 2013-12-04 | Flame retardation cable for track traffic signal systems |
CN201510508727.5A Pending CN105225762A (en) | 2013-12-04 | 2013-12-04 | Electromagnetism interference railway digital signal cable |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106205824A (en) * | 2016-06-30 | 2016-12-07 | 湖北海德讯信息科技有限公司 | Wear-resisting practical cable |
Citations (4)
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JP2001084838A (en) * | 1999-09-14 | 2001-03-30 | Fujikura Ltd | Transmission line |
CN101901644A (en) * | 2009-05-31 | 2010-12-01 | 江苏亨通线缆科技有限公司 | Low-smoke halogen-free flame-retardant comprehensive shielding subway light rail signal cable |
CN102768879A (en) * | 2012-06-29 | 2012-11-07 | 江苏亨通线缆科技有限公司 | Flame retardant fire-resistant track traffic signal flexible cable |
CN102969071A (en) * | 2012-12-13 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Submarine cable with increased current-carrying capacity |
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JPH0628929A (en) * | 1992-07-09 | 1994-02-04 | Fujikura Ltd | Insulated wire |
JP2006190562A (en) * | 2005-01-06 | 2006-07-20 | Auto Network Gijutsu Kenkyusho:Kk | Coaxial cable |
JP4533254B2 (en) * | 2005-06-21 | 2010-09-01 | 株式会社日立製作所 | Metal surface joining method |
CN201897980U (en) * | 2010-09-30 | 2011-07-13 | 上海特缆电工科技有限公司 | Super shielded cable for nuclear detection system |
CN202339723U (en) * | 2011-09-27 | 2012-07-18 | 中国电子科技集团公司第二十三研究所 | Mineral insulation heat resistance three-layer composite shielding cable |
CN202662355U (en) * | 2012-06-14 | 2013-01-09 | 天津六〇九电缆有限公司 | Space level anti-nuclear electromagnetic interference data bus cable |
CN103117121A (en) * | 2013-02-22 | 2013-05-22 | 江苏华明电缆有限公司 | Copper wire armor fire-resistant cable |
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2013
- 2013-12-04 CN CN201510508912.4A patent/CN105225740A/en active Pending
- 2013-12-04 CN CN201510512028.8A patent/CN105244112A/en active Pending
- 2013-12-04 CN CN201610263918.4A patent/CN105913929A/en active Pending
- 2013-12-04 CN CN201510512030.5A patent/CN105244114A/en active Pending
- 2013-12-04 CN CN201510508601.8A patent/CN105225761A/en active Pending
- 2013-12-04 CN CN201310648431.4A patent/CN103680722B/en active Active
- 2013-12-04 CN CN201610263678.8A patent/CN105913921A/en active Pending
- 2013-12-04 CN CN201610263899.5A patent/CN105913922A/en active Pending
- 2013-12-04 CN CN201510508727.5A patent/CN105225762A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001084838A (en) * | 1999-09-14 | 2001-03-30 | Fujikura Ltd | Transmission line |
CN101901644A (en) * | 2009-05-31 | 2010-12-01 | 江苏亨通线缆科技有限公司 | Low-smoke halogen-free flame-retardant comprehensive shielding subway light rail signal cable |
CN102768879A (en) * | 2012-06-29 | 2012-11-07 | 江苏亨通线缆科技有限公司 | Flame retardant fire-resistant track traffic signal flexible cable |
CN102969071A (en) * | 2012-12-13 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Submarine cable with increased current-carrying capacity |
Also Published As
Publication number | Publication date |
---|---|
CN105244112A (en) | 2016-01-13 |
CN103680722A (en) | 2014-03-26 |
CN105225761A (en) | 2016-01-06 |
CN105913921A (en) | 2016-08-31 |
CN105913922A (en) | 2016-08-31 |
CN105225762A (en) | 2016-01-06 |
CN105913929A (en) | 2016-08-31 |
CN103680722B (en) | 2016-06-01 |
CN105244114A (en) | 2016-01-13 |
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